ENH: prosail parameters class refactoring.

Code/Simulation/otbLabelToProSailParameters.h

Code/Simulation/otbLabelToProSailParameters.txx

Code/Simulation/otbLabelToSimulationParametersBase.h

Code/Simulation/otbSailModel.cxx

Code/Simulation/otbSailModel.h

Code/Simulation/otbSimulationStep1Base.h

Code/Simulation/otbSimulationStep2Base.h